Huawei DRH3926A User Manual
DBS3900 IBS
V100R001C02
DRH3980A&3909A&3918A&
3918B&3921A&3921B&3926A
Hardware Description
Issue Draft A
Date 2013-08-10
HUAWEI TECHNOLOGIES CO., LTD.
Issue DraftA (2013-08-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd..
i
Copyright © Huawei Technologies Co., Ltd. 2013. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees or
representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address:
Huawei Industrial Base
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Shenzhen 518129
People's Republic of China
Website:
http://www.huawei.com
Email:
support@huawei.com
DRH3980A&3909A&3918A&
3918B&3921A&3921B&3926A
Hardware Description
About This Document
Issue DraftA (2013-08-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd..
ii
Purpose
Product Name
Product Version
DBS3900 IBS
V100R001C02
DRH Name
DRH Version
DRH3980A
V100R001C02
DRH3909A
V100R001C02
DRH3918A
V100R001C02
DRH3918B
V100R001C02
DRH3921A
V100R001C02
DRH3921B
V100R001C02
DRH3926A
V100R001C02
This document provides reference for planning and deploying a DC DRH. It presents the
exterior and describes the ports, functions, cable types, connector specifications, and cable
connections of the DRH.
Product Versions
The following table lists the product versions related to this document.
About This Document
Scope of application
The following table lists the DRH related to this document.
Intended Audience
This document is intended for:
DRH3980A&3909A&3918A&
3918B&3921A&3921B&3926A
Hardware Description
About This Document
Issue DraftA (2013-08-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd..
iii
Organization
1 Changes in the DRH3908A&3909A&3918A&3918B&3921A&3921B&3926A Hardware
Description
This chapter describes the changes in the
DRH3980A&3909A&3918A&3918B&3921A&3921B&3926A Hardware Description.
2 DRH Introduction
This chapter describes the function and exterior of the DRH as well as the ports and indicators
on the DRH.
3 DRH Cables
This chapter describes DRH cables.
4 DRH Auxiliary Devices
Site installation engineers
System engineers
Site maintenance engineers
This chapter describes DRH auxiliary devices.
DRH3980A&3909A&3918A&
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Hardware Description
Contents
Issue DraftA (2013-08-10)
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Copyright © Huawei Technologies Co., Ltd..
iv
Contents
About This Document .................................................................................................................... ii
Purpose ................................................................................................................................................................... ii
Product Versions ..................................................................................................................................................... ii
Scope of application ............................................................................................................................................... ii
Intended Audience .................................................................................................................................................. ii
Organization .......................................................................................................................................................... iii
Contents ........................................................................................................................................... iv
1 Changes in the DRH3980A&3909A&3918A&3918B&3921A&3921B&3926A Hardware
Description ........................................................................................................................................ 1
2 DRH Introduction ......................................................................................................................... 2
2.1 DRH Exterior ................................................................................................................................................... 2
2.2 DRH Functions................................................................................................................................................. 3
2.3 DRH Technical Specifications ......................................................................................................................... 4
2.4 DRH Ports ........................................................................................................................................................ 4
2.5 DRH Indicators ................................................................................................................................................ 6
3 DRH Cables .................................................................................................................................... 9
3.1 DRH Cable List ................................................................................................................................................ 9
3.2 DRH PGND Cable ......................................................................................................................................... 10
3.3 DRH Power Cable .......................................................................................................................................... 10
3.4 DRH Alarm Cable .......................................................................................................................................... 12
3.5 CPRI Fiber Optic Cable ................................................................................................................................. 13
3.6 DRH RF Jumper ............................................................................................................................................. 16
4 DRH Auxiliary Devices ............................................................................................................. 18
4.1 IFS06 .............................................................................................................................................................. 18
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Hardware Description
Contents
Issue DraftA (2013-08-10)
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v
5 Appendix ...................................................................................................................................... 20
5.1 U.S.A Regulatory Compliance ....................................................................................................................... 20
5.2 Canada Regulatory Compliance ..................................................................................................................... 21
DRH3980A&3909A&3918A&
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Hardware Description
1 Changes in the
DRH3980A&3909A&3918A&3918B&3921A&3921B&
3926A Hardware Description
Issue DraftA (2013-08-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd..
1
1 Changes in the
DRH3980A&3909A&3918A&3918B&3921A&392
1B&3926A Hardware Description
This chapter describes the changes in the
DRH3980A&3909A&3918A&3918B&3921A&3921B&3926A Hardware Description.
Issue Draft A (2013-08-10)
This is the Draft A version.
DRH3980A&3909A&3918A&
3918B&3921A&3921B&3926A
Hardware Description
2 DRH Introduction
Issue DraftA (2013-08-10)
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Copyright © Huawei Technologies Co., Ltd..
2
This chapter describes the function and exterior of the DRH as well as the ports and indicators
on the DRH.
2.1 DRH Exterior
This section describes the exterior and dimensions of an DRH.
Figure 2-1 shows an DRH.
2 DRH Introduction
Figure 2-1 DRH exterior
Figure 2-2 shows DRH dimensions.
DRH3980A&3909A&3918A&
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Hardware Description
2 DRH Introduction
Issue DraftA (2013-08-10)
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3
Figure 2-2 DRH dimensions
2.2 DRH Functions
This section describes the main functions of the DRH.
The Distributed Remote Head (DRH) performs the following functions:
Receives downlink baseband data from the DCU and sends uplink baseband data to the
DCU.
Receives RF signals from the antenna system, down-converts the signals to intermediate
frequency (IF) signals, amplifies the IF signals, and performs analog-to-digital
conversion. The transmit (TX) channel filters downlink signals, performs
digital-to-analog conversion, and up-converts RF signals to the TX band.
Multiplexes receive (RX) and TX signals on the RF channel, which enables these signals
to share the same antenna path. It also filters the RX and TX signals.
The DRH can be powered by the AC/DC power module. In this case, this DRH is called
AC DRH.
An DRH consists of a high-speed interface unit, signal processing unit, power amplifier, and
dual-duplexer. Figure 2-3 shows the logical structure of the DRH.
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